The grips have been changed, so no help there. The face of the cylinder latch is dished, as if to fit your thumb (1967 or newer?).
Under the left grip., there are some characters:
The numbers - "84402"
stand alone characters - "W3"
stand alone character - "4"
stand alone character - "B"
Do...
Can anyone help with any information such as date of manufacture or anything else of interest on my Model 36 Chief's Special Serial number 7115XX?
Thanks!